{"created":"2023-05-15T11:58:22.388389+00:00","id":4364,"links":{},"metadata":{"_buckets":{"deposit":"cca89dac-cbff-45bd-a9eb-2395b835e92e"},"_deposit":{"created_by":3,"id":"4364","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"4364"},"status":"published"},"_oai":{"id":"oai:kyutech.repo.nii.ac.jp:00004364","sets":["8:24"]},"author_link":["15826","4092","15821","15818","15825","15819","15820","15828","15827","4338","3665"],"item_21_alternative_title_18":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Fatigue Strength for Bolts and Nuts Having Slight Pitch Difference Considering Incomplete Threads of Nut"}]},"item_21_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2015-10-18","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"831","bibliographicPageEnd":"13","bibliographicPageStart":"1","bibliographicVolumeNumber":"81","bibliographic_titles":[{"bibliographic_title":"日本機械学会論文集"},{"bibliographic_title":"Transactions of the JSME","bibliographic_titleLang":"en"}]}]},"item_21_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The high strength bolts and nuts are widely used in engineering structures. To investigate the pitch difference on the fatigue strength of bolt, a slight pitch difference is considered between the bolt and nut. Here, the pitch of the nut is α μm larger than the pitch of the bolt. The fatigue experiment is conducted with varying pitch difference. The results show that the fatigue life is extended to about 1.5 times of the one of normal bolt and nut by introducing the suitable pitch difference under the high stress amplitude. According to the detailed observation on the fractured specimens, it is found that the fractured positions and the crack distributions vary depending on the pitch difference. To clarify the improvement mechanism of the fatigue strength, the finite element method is applied to calculate the stress amplitude and mean stress at each bottom of bolt threads. It is found that the finite element analytical model considering the incomplete nut threads is useful for predicting the crack initiation under different pitch difference introduced.","subitem_description_type":"Abstract"}]},"item_21_description_60":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"Journal 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Yasushi","nameLang":"en"},{"name":"高瀬, 康","nameLang":"ja"},{"name":"タカセ, ヤスシ","nameLang":"ja-Kana"}]}]},"item_21_link_62":{"attribute_name":"研究者情報","attribute_value_mlt":[{"subitem_link_url":"https://hyokadb02.jimu.kyutech.ac.jp/html/10_ja.html"}]},"item_21_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人日本機械学会"}]},"item_21_relation_12":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1299/transjsme.15-00240","subitem_relation_type_select":"DOI"}}]},"item_21_rights_13":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2015 一般社団法人日本機械学会"}]},"item_21_select_59":{"attribute_name":"査読の有無","attribute_value_mlt":[{"subitem_select_item":"yes"}]},"item_21_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2187-9761","subitem_source_identifier_type":"ISSN"}]},"item_21_text_36":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州工業大学大学院工学研究院 機械知能工学研究系"},{"subitem_text_value":"九州工業大学工学部"},{"subitem_text_value":"九州工業大学 大学院 工学研究科"},{"subitem_text_value":"九州工業大学 大学院 工学研究科"},{"subitem_text_value":"九州工業大学 大学院 工学研究科"},{"subitem_text_value":"九州工業大学 大学院 工学研究科"},{"subitem_text_value":"九州工業大学工学部"}]},"item_21_text_63":{"attribute_name":"連携ID","attribute_value_mlt":[{"subitem_text_value":"5321"}]},"item_21_version_type_58":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_ab4af688f83e57aa","subitem_version_type":"AM"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":""}]}],"creatorNames":[{"creatorName":"Noda, Nao-Aki","creatorNameLang":"en"},{"creatorName":"野田, 尚昭","creatorNameLang":"ja"},{"creatorName":"ノダ, ナオアキ","creatorNameLang":"ja-Kana"}],"familyNames":[{},{},{}],"givenNames":[{},{},{}],"nameIdentifiers":[{},{},{},{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[],"affiliationNames":[{"affiliationName":""}]}],"creatorNames":[{"creatorName":"Sano, Yoshikazu","creatorNameLang":"en"},{"creatorName":"佐野, 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